/usr/share/pyshared/ is in trac-mercurial 1.0.0.3+hg8df754d9b36a-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/TracMercurial-1.0.0.3dev-nspkg.pth
/usr/share/pyshared/TracMercurial-1.0.0.3dev.egg-info/
/usr/share/pyshared/TracMercurial-1.0.0.3dev.egg-info/PKG-INFO
/usr/share/pyshared/TracMercurial-1.0.0.3dev.egg-info/SOURCES.txt
/usr/share/pyshared/TracMercurial-1.0.0.3dev.egg-info/dependency_links.txt
/usr/share/pyshared/TracMercurial-1.0.0.3dev.egg-info/entry_points.txt
/usr/share/pyshared/TracMercurial-1.0.0.3dev.egg-info/namespace_packages.txt
/usr/share/pyshared/TracMercurial-1.0.0.3dev.egg-info/requires.txt
/usr/share/pyshared/TracMercurial-1.0.0.3dev.egg-info/top_level.txt
/usr/share/pyshared/tracext/
/usr/share/pyshared/tracext/hg/
/usr/share/pyshared/tracext/hg/__init__.py
/usr/share/pyshared/tracext/hg/backend.py
/usr/share/pyshared/tracext/hg/hooks.py
/usr/share/pyshared/tracext/hg/locale/
/usr/share/pyshared/tracext/hg/locale/fr/
/usr/share/pyshared/tracext/hg/locale/fr/LC_MESSAGES/
/usr/share/pyshared/tracext/hg/locale/fr/LC_MESSAGES/tracmercurial.po
/usr/share/pyshared/tracext/hg/locale/messages.pot